/**
 * Copyright (c) 2010, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.content;

import com.example.android.apis.R;

import android.app.Activity;
import android.content.ClipboardManager;
import android.content.ClipData;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.net.Uri;
import android.os.Bundle;
import android.text.method.LinkMovementMethod;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.AdapterView.OnItemSelectedListener;

public class ClipboardSample extends Activity {
	ClipboardManager mClipboard;

	Spinner mSpinner;
	TextView mMimeTypes;
	TextView mDataText;

	CharSequence mStyledText;
	String mPlainText;
	String mHtmlText;
	String mHtmlPlainText;

	ClipboardManager.OnPrimaryClipChangedListener mPrimaryChangeListener = new ClipboardManager.OnPrimaryClipChangedListener() {
		public void onPrimaryClipChanged() {
			updateClipData(true);
		}
	};

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		mClipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);

		// See res/any/layout/resources.xml for this view layout definition.
		setContentView(R.layout.clipboard);

		TextView tv;

		mStyledText = getText(R.string.styled_text);
		tv = (TextView) findViewById(R.id.styled_text);
		tv.setText(mStyledText);

		mPlainText = mStyledText.toString();
		tv = (TextView) findViewById(R.id.plain_text);
		tv.setText(mPlainText);

		mHtmlText = "<b>Link:</b> <a href=\"http://www.android.com\">Android</a>";
		mHtmlPlainText = "Link: http://www.android.com";
		tv = (TextView) findViewById(R.id.html_text);
		tv.setText(mHtmlText);

		mSpinner = (Spinner) findViewById(R.id.clip_type);
		ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
				this, R.array.clip_data_types,
				android.R.layout.simple_spinner_item);
		adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
		mSpinner.setAdapter(adapter);
		mSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
			public void onItemSelected(AdapterView<?> parent, View view,
					int position, long id) {
				updateClipData(false);
			}

			public void onNothingSelected(AdapterView<?> parent) {
			}
		});

		mMimeTypes = (TextView) findViewById(R.id.clip_mime_types);
		mDataText = (TextView) findViewById(R.id.clip_text);

		mClipboard.addPrimaryClipChangedListener(mPrimaryChangeListener);
		updateClipData(true);
	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
		mClipboard.removePrimaryClipChangedListener(mPrimaryChangeListener);
	}

	public void pasteStyledText(View button) {
		mClipboard.setPrimaryClip(ClipData.newPlainText("Styled Text",
				mStyledText));
	}

	public void pastePlainText(View button) {
		mClipboard.setPrimaryClip(ClipData.newPlainText("Styled Text",
				mPlainText));
	}

	public void pasteHtmlText(View button) {
		mClipboard.setPrimaryClip(ClipData.newHtmlText("HTML Text",
				mHtmlPlainText, mHtmlText));
	}

	public void pasteIntent(View button) {
		Intent intent = new Intent(Intent.ACTION_VIEW,
				Uri.parse("http://www.android.com/"));
		mClipboard.setPrimaryClip(ClipData.newIntent("VIEW intent", intent));
	}

	public void pasteUri(View button) {
		mClipboard.setPrimaryClip(ClipData.newRawUri("URI",
				Uri.parse("http://www.android.com/")));
	}

	void updateClipData(boolean updateType) {
		ClipData clip = mClipboard.getPrimaryClip();
		String[] mimeTypes = clip != null ? clip.getDescription()
				.filterMimeTypes("*/*") : null;
		if (mimeTypes != null) {
			mMimeTypes.setText("");
			for (int i = 0; i < mimeTypes.length; i++) {
				if (i > 0) {
					mMimeTypes.append("\n");
				}
				mMimeTypes.append(mimeTypes[i]);
			}
		} else {
			mMimeTypes.setText("NULL");
		}

		if (updateType) {
			if (clip != null) {
				ClipData.Item item = clip.getItemAt(0);
				if (item.getHtmlText() != null) {
					mSpinner.setSelection(2);
				} else if (item.getText() != null) {
					mSpinner.setSelection(1);
				} else if (item.getIntent() != null) {
					mSpinner.setSelection(3);
				} else if (item.getUri() != null) {
					mSpinner.setSelection(4);
				} else {
					mSpinner.setSelection(0);
				}
			} else {
				mSpinner.setSelection(0);
			}
		}

		if (clip != null) {
			ClipData.Item item = clip.getItemAt(0);
			switch (mSpinner.getSelectedItemPosition()) {
			case 0:
				mDataText.setText("(No data)");
				break;
			case 1:
				mDataText.setText(item.getText());
				break;
			case 2:
				mDataText.setText(item.getHtmlText());
				break;
			case 3:
				mDataText.setText(item.getIntent().toUri(0));
				break;
			case 4:
				mDataText.setText(item.getUri().toString());
				break;
			case 5:
				mDataText.setText(item.coerceToText(this));
				break;
			case 6:
				mDataText.setText(item.coerceToStyledText(this));
				break;
			case 7:
				mDataText.setText(item.coerceToHtmlText(this));
				break;
			default:
				mDataText.setText("Unknown option: "
						+ mSpinner.getSelectedItemPosition());
				break;
			}
		} else {
			mDataText.setText("(NULL clip)");
		}
		mDataText.setMovementMethod(LinkMovementMethod.getInstance());
	}
}
